Johnston, IA

18.9°F / -7.3°C
Light Snow
Windchill: 19°F / -7°C
Humidity: 84%
Dew Point: 15°F / -10°C
Wind: North at 2.5 mph / 4.0 km/h
Wind Gust: 2.5 mph / 4.0 km/h
Pressure: 29.91 in / 1013 hPa (Falling)
Visibility: 10.0 miles / 16.1 kilometers
Clouds: Overcast (OVC) : 1500 ft / 457 m
Yesterday's Maximum: 25.9°F / -3.4°C
Yesterday's Minimum: 12.2°F / -11.0°C
UV: 0.0 out of 16
Sunrise:7:34 AM CST
Sunset:5:20 PM CST
Moon Rise:9:49 PM CST
Moon Set:10:03 AM CST
Moon Phase Waning Gibbous
NOAA Weather Radio
METAR KIKV 241015Z AUTO 10SM -SN OVC015 M05/M07 A2991 RMK AO2
As of: 4:24 AM CST on January 24, 2019
Observed at: Pinewood Glen, Johnston, IA

View Station's History

No Yes

Current Radar

Region Default Local
No Yes
No Yes

View Full Screen WunderMap


17° | -9°F
-8° | -23°C
17° | -1°F
-8° | -18°C
21° | 10°F
-6° | -12°C
Today is forecast to be
Much Cooler than yesterday.
Winter Weather Advisory in effect until 6 PM CST this evening...
Early This Morning
Mostly cloudy. A chance of flurries. Northwest wind 10 to 15 mph.
Mostly cloudy through mid morning then clearing. Very cold. Breezy. A chance of flurries through mid morning. Areas of blowing snow through the day. High 15 to 20. Northwest wind 15 to 25 mph with gusts to around 40 mph. Wind chill readings around 15 below.
Mostly clear. Bitterly cold. Patchy blowing snow in the evening. Low 10 to 15 below. West wind 5 to 15 mph. Gusts up to 30 mph through midnight. Wind chill readings 20 below to 30 below zero.
Very cold. Mostly sunny through mid morning, then a chance of light snow before noon. Mostly cloudy with light snow likely in the afternoon. Little or no snow accumulation. High 15 to 20. South wind 5 to 10 mph shifting to the west in the afternoon. Chance of snow 70 percent. Lowest wind chill readings 20 below to 30 below zero in the morning.
Friday Night
Mostly cloudy. Low zero to 5 below. North wind 5 to 10 mph shifting to the southeast after midnight.
Mostly cloudy. A 20 percent chance of light snow in the morning. High in the lower 20s. Southwest wind 5 to 10 mph.
Saturday Night
Cloudy with a 30 percent chance of light snow. Not as cold. Low 5 to 10 above.
Mostly cloudy. A 20 percent chance of light snow in the afternoon. High 15 to 20.
Sunday Night
Cloudy. A chance of light snow through midnight, then light snow likely after midnight. Low around 10. Chance of snow 70 percent.
Cloudy. A 50 percent chance of light snow in the morning. Breezy. High around 20.
Monday Night
Mostly cloudy. Breezy, colder. Low zero to 5 below.
Partly sunny. Colder. High 5 to 10 above.
Tuesday Night
Mostly cloudy. Low 5 to 10 below.
Partly sunny. High zero to 5 above.
As of: 3:51 am CST on January 24, 2019 from station 50131
No Yes

Scientific Forecaster Discussion

Warnings & Notices

Winter Weather Advisory, Wind Chill Advisory

Expires 9:00 AM CST on January 25, 2019
Statement as of 3:40 am CST on January 24, 2019

... Winter Weather Advisory remains in effect until 6 PM CST this
... Wind Chill Advisory remains in effect from 6 PM this evening
to 9 am CST Friday...

* what... blowing snow and very cold wind chills expected. Winds
gusting as high as 35 to 40 mph. Wind chills as low as 30 below
zero expected.

* Where... central Iowa.

* When... for the Winter Weather Advisory, until 6 PM CST this
evening. For the Wind Chill Advisory, from 6 PM this evening
to 9 am CST Friday.

* Additional details... patchy blowing snow could significantly
reduce visibility, especially in rural areas. The hazardous
conditions could impact the morning or evening commute. The cold
wind chills could cause frostbite on exposed skin in as little
as 30 minutes.

Precautionary/preparedness actions...

A Winter Weather Advisory for blowing snow means that
visibilities will be limited due to strong winds blowing snow
around. Use caution when traveling, especially in open areas.

A Wind Chill Advisory means that cold air and the wind will
combine to create low wind chills. Frostbite and hypothermia can
occur if precautions are not taken. Make sure you wear a hat and

The latest Road conditions for the state you are calling from can
be obtained by calling 5 1 1.

View Iowa Advisories


Weather Apps


Weather Underground Apps
Check out our wide variety of mobile and setup applications.

Weather Underground Applications

Top of Page

© Copyright 2019
The Weather Company, LLC